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Learning JavaScript Debugging

via LinkedIn Learning

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Details

Provider

LinkedIn Learning
Pricing

Free Trial Available
Languages

English
Certificate

Certificate Available
Duration & workload

2 hours 48 minutes
Sessions

On-Demand
Level

Intermediate

Found in

Part of

Improve Your JavaScript Language Skills

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Overview

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Discover how to work with a debugger to efficiently locate and resolve issues in your JavaScript projects.

Syllabus

Introduction

Welcome
What you should know
Exercise files
What's new in this update
Using challenges

1. Understanding the Need for a Debugger

Introducing our friend, the debugger
Important jargon and concepts
Debuggers in web browsers
The importance of a good editor and IDE
Why debugging AJAX can be tricky

2. Debugger Basics

Debugging without a debugger
Leverage more of the Console API
Stop and look around: Simple breakpoints
Explore other breakpoint options
Challenge: Knowing when to stop
Solution: Knowing when to stop
Step into, over, and out of functions
Find out where you are using the call stack
Monitor variables with watches
Source maps to debug minified files
Challenge: Putting it all together
Solution: Putting it all together

3. Debugging in Practice

Debugging the use of a jQuery plugin
Debugging a React application in Chrome
Debugging on iOS using Simulator
Remote debugging on an Android device
Challenge: Other people's code
Solution: Other people's code
Debugging a Node.js application in WebStorm
Setting up the WordPress example
Challenge: Debugging with an IDE
Solution: Debugging with an IDE
Debug a WordPress theme in Visual Studio Code
Use a debugger as a learning tool on a live site

Conclusion

Next steps
Extra JavaScript resources

Taught by

Joe Chellman

Reviews

4.6 rating at LinkedIn Learning based on 146 ratings

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